2023
DOI: 10.1002/cncr.35050
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Avelumab treatment for patients with metastatic Merkel cell carcinoma can be safely stopped after 1 year and a PET/CT–confirmed complete response

Lisanne P. Zijlker,
Sonja Levy,
Wendy Wolters
et al.

Abstract: BackgroundImmune checkpoint inhibitor treatment of patients with metastatic Merkel cell carcinoma (mMCC) has shown high response rates, ranging from 33% to 73%. The ideal duration of treatment, however, is currently unknown. The aim of this study was to evaluate if avelumab treatment for mMCC can be safely stopped after 1 year of treatment and a complete response (CR) confirmed by fluorodeoxyglucose positron emission tomography/computed tomography (FDG‐PET/CT) imaging.MethodsPatients who received more than one… Show more

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Cited by 6 publications
(2 citation statements)
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“…However, among a cohort of 65 patients, those 25 who achieved a complete response (CR) on positron emission tomography–computed tomography (PET/CT) imaging seem to maintain lasting responses even after discontinuing treatment for a year. Only two patients (8%) experienced a recurrence following the cessation of avelumab treatment [ 106 ].…”
Section: Immunotherapymentioning
confidence: 99%
“…However, among a cohort of 65 patients, those 25 who achieved a complete response (CR) on positron emission tomography–computed tomography (PET/CT) imaging seem to maintain lasting responses even after discontinuing treatment for a year. Only two patients (8%) experienced a recurrence following the cessation of avelumab treatment [ 106 ].…”
Section: Immunotherapymentioning
confidence: 99%
“…Reasons for stopping treatment included completion of 1 year of treatment (13 patients), toxicity (5 patients) and patient preference (7 patients). 93 Prospective data from larger patient cohorts and with longer follow-up are therefore required to confirm the ideal duration of ICI therapy in patients with MCC.…”
Section: Management Of Advanced/metastatic Diseasementioning
confidence: 99%